TM124GU8A

1 048 576-WORD BY 8-BIT DYNAMIC RANDOM-ACCESS MEMORY MODULE

SMMS181A–JANUARY 1991–REVISED JANUARY 1993

POST OFFICE BOX 1443

5

capacitance over recommended ranges of supply voltage and operating free-air temperature,

f = 1 MHz

PARAMETER

MIN

MAX

UNIT

Ci(A)

Input capacitance, address inputs

10

pF

Ci(DQ)

Input capacitance, data inputs/outputs

7

pF

Ci(RC)

Input capacitance, strobe inputs

14

pF

Ci(W)

Input capacitance, W input

14

pF

switching characteristics over recommended ranges of supply voltage and operating free-air

temperature

PARAMETER

TM124GU8A-60

TM124GU8A-70

TM124GU8A-80

UNIT

PARAMETER

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

tAA

Access time from column-address

30

35

40

ns

tCAC

Access time from CAS low

15

18

20

ns

tCPA

Access time from column precharge

35

40

45

ns

tRAC

Access time from RAS low

60

70

80

ns

tCLZ

CAS to output in low Z

0

0

0

ns

tOFF

Output disable time after CAS high (see Note 5)

0

15

0

18

0

20

ns

NOTE 5: tOFF is specified when the otuput is no longer driven.